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<div class="title">src/infact/example.cc</div>  </div>
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<a href="example_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2014, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00034"></a>00034 <span class="comment"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &quot;<a class="code" href="example_8h.html" title="Provides various example class headers.">example.h</a>&quot;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="environment-impl_8h.html" title="Provides an environment for variables and their values, either primitive or Factory-constructible obj...">environment-impl.h</a>&quot;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <span class="keyword">namespace </span>infact {
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="comment">// Normally, the various IMPLEMENT_FACTORY declarations would be</span>
<a name="l00041"></a>00041 <span class="comment">// separate from the various REGISTER_* declarations, which would</span>
<a name="l00042"></a>00042 <span class="comment">// usually appear in the separate concrete implementations&#39; .C files.</span>
<a name="l00043"></a>00043 <span class="comment">// For compactness, we have this single .C file, so everything is</span>
<a name="l00044"></a>00044 <span class="comment">// lumped together.</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <a class="code" href="factory_8h.html#a01b208854b036ee1381a9289186ff3c2" title="Provides the necessary implementation for a factory for the specified BASE class type.">IMPLEMENT_FACTORY</a>(Date)
<a name="l00047"></a><a class="code" href="classinfact_1_1_date_impl_constructor.html#a84ad7515ea75ea9351fd080b081dcd41">00047</a> <a class="code" href="example_8h.html#a9ffdcb7be895354ae6e0b0724b4c40bd" title="The macro by which Date  implementations may register themselves with the Factory  that can construct...">REGISTER_DATE</a>(<a class="code" href="classinfact_1_1_date_impl.html" title="An implementation of the Date interface that can be constructed by a Factory (because of the REGISTER...">DateImpl</a>)
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 <a class="code" href="factory_8h.html#a01b208854b036ee1381a9289186ff3c2" title="Provides the necessary implementation for a factory for the specified BASE class type.">IMPLEMENT_FACTORY</a>(<a class="code" href="classinfact_1_1_person.html" title="An interface representing a person.">Person</a>)
<a name="l00050"></a><a class="code" href="classinfact_1_1_person_impl_constructor.html#a4e28d47e38b63577d95826a47e042a4f">00050</a> <a class="code" href="example_8h.html#a47cd57efd48ac0ef0c8d4dcac5d4aa5a" title="The macro by which Person  implementations may register themselves with the Factory  that can constru...">REGISTER_PERSON</a>(<a class="code" href="classinfact_1_1_person_impl.html" title="A concrete implementation of the Person interface that can be constructed by a Factory (because of th...">PersonImpl</a>)
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <a class="code" href="factory_8h.html#a01b208854b036ee1381a9289186ff3c2" title="Provides the necessary implementation for a factory for the specified BASE class type.">IMPLEMENT_FACTORY</a>(<a class="code" href="classinfact_1_1_animal.html" title="A very simple class to represent an animal.">Animal</a>)
<a name="l00053"></a><a class="code" href="classinfact_1_1_cow_constructor.html#a1f76fd248428db9cfd30a922501fb20a">00053</a> <a class="code" href="example_8h.html#a8373608da8a006b760cbb66b6205fffe" title="Registers the Animal  with the specified subtype TYPE and NAME with the Animal  Factory.">REGISTER_ANIMAL</a>(<a class="code" href="classinfact_1_1_cow.html" title="A class to represent a cow.">Cow</a>)
<a name="l00054"></a><a class="code" href="classinfact_1_1_sheep_constructor.html#a5edc9b095285878e2aaaf1619c5813d0">00054</a> <a class="code" href="example_8h.html#a8373608da8a006b760cbb66b6205fffe" title="Registers the Animal  with the specified subtype TYPE and NAME with the Animal  Factory.">REGISTER_ANIMAL</a>(<a class="code" href="classinfact_1_1_sheep.html" title="A sheep.">Sheep</a>)
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <a class="code" href="factory_8h.html#a01b208854b036ee1381a9289186ff3c2" title="Provides the necessary implementation for a factory for the specified BASE class type.">IMPLEMENT_FACTORY</a>(<a class="code" href="classinfact_1_1_pet_owner.html" title="An owner of a pet.">PetOwner</a>)
<a name="l00057"></a><a class="code" href="classinfact_1_1_human_pet_owner_constructor.html#a459f9b45e15628e6c1e19d5558fefceb">00057</a> <a class="code" href="example_8h.html#a9533639d16f8b0269c286444897ff13d" title="The macro by which PetOwner  implementations may register themselves with the Factory  that can const...">REGISTER_PET_OWNER</a>(<a class="code" href="classinfact_1_1_human_pet_owner.html" title="A concrete type of PetOwner that can be constructed by a Factory&lt;PetOwner&gt; instance.">HumanPetOwner</a>)
<a name="l00058"></a>00058 
<a name="l00059"></a><a class="code" href="classinfact_1_1_sheep.html#a69f798764ffea946753bd06e678407cf">00059</a> <span class="keywordtype">void</span> <a class="code" href="classinfact_1_1_sheep.html" title="A sheep.">Sheep</a>::PostInit(const <a class="code" href="classinfact_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *env, const <span class="keywordtype">string</span> &amp;init_str) {
<a name="l00060"></a>00060   <span class="keywordtype">int</span> env_age;
<a name="l00061"></a>00061   <span class="comment">// Note how we need to cast Environment down to EnvironmentImpl,</span>
<a name="l00062"></a>00062   <span class="comment">// because only the implementation has the templated \link</span>
<a name="l00063"></a>00063   <span class="comment">// EnvironmentImpl::Get \endlink method, because only an</span>
<a name="l00064"></a>00064   <span class="comment">// implementation can be aware of the all the \link</span>
<a name="l00065"></a>00065   <span class="comment">// Factory\endlink-constructible types.</span>
<a name="l00066"></a>00066   <span class="keyword">const</span> <a class="code" href="classinfact_1_1_environment_impl.html" title="Provides a set of named variables and their types, as well as the values for those variables...">EnvironmentImpl</a> *env_impl = <span class="keyword">dynamic_cast&lt;</span><span class="keyword">const </span><a class="code" href="classinfact_1_1_environment_impl.html" title="Provides a set of named variables and their types, as well as the values for those variables...">EnvironmentImpl</a> *<span class="keyword">&gt;</span>(env);
<a name="l00067"></a>00067   <span class="keywordflow">if</span> (env_impl != <span class="keyword">nullptr</span> &amp;&amp;
<a name="l00068"></a>00068       env_impl-&gt;<a class="code" href="classinfact_1_1_environment_impl.html#a4c7040cdaade112f6cef88cff8c4ee6c" title="Retrieves the value of the variable with the specified name and puts into into the object pointed to ...">Get</a>(<span class="stringliteral">&quot;age&quot;</span>, &amp;env_age)) {
<a name="l00069"></a>00069     age_ = env_age * 2;
<a name="l00070"></a>00070   }
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 
<a name="l00073"></a>00073 }  <span class="comment">// namespace infact</span>
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